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Finding the Fourth Proportional to 597.24, 895.68 and 391.56

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Solution

The fourth proportional to 597.24, 895.68 and 391.56 is: 587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.24 : 895.68 = 391.56 : x
  2. Step 2: Convert to fraction form
    597.24/895.68 = 391.56/x
  3. Step 3: Cross multiply
    597.24x = 895.68 × 391.56
  4. Step 4: Simplify right side
    597.24x = 350,712.46
  5. Step 5: Solve for x
    x = 350,712.46/597.24
  6. Step 6: Final answer
    x = 587.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.